CA3019839A1 - Acid mine drainage treatment - Google Patents

Acid mine drainage treatment Download PDF

Info

Publication number
CA3019839A1
CA3019839A1 CA3019839A CA3019839A CA3019839A1 CA 3019839 A1 CA3019839 A1 CA 3019839A1 CA 3019839 A CA3019839 A CA 3019839A CA 3019839 A CA3019839 A CA 3019839A CA 3019839 A1 CA3019839 A1 CA 3019839A1
Authority
CA
Canada
Prior art keywords
particulate
controlled release
drainage treatment
mine drainage
acid mine
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Abandoned
Application number
CA3019839A
Other languages
French (fr)
Inventor
David S. Soane
James N. Ashcraft
Allison SILVERSTONE
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Soane Mining LLC
Original Assignee
Soane Mining LLC
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Soane Mining LLC filed Critical Soane Mining LLC
Publication of CA3019839A1 publication Critical patent/CA3019839A1/en
Abandoned legal-status Critical Current

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F1/00—Treatment of water, waste water, or sewage
    • C02F1/66—Treatment of water, waste water, or sewage by neutralisation; pH adjustment
    • C—CHEMISTRY; METALLURGY
    • C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F1/00—Treatment of water, waste water, or sewage
    • C02F1/68—Treatment of water, waste water, or sewage by addition of specified substances, e.g. trace elements, for ameliorating potable water
    • C02F1/683—Treatment of water, waste water, or sewage by addition of specified substances, e.g. trace elements, for ameliorating potable water by addition of complex-forming compounds
    • C—CHEMISTRY; METALLURGY
    • C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F11/00—Treatment of sludge; Devices therefor
    • C02F11/12—Treatment of sludge; Devices therefor by de-watering, drying or thickening
    • C02F11/14—Treatment of sludge; Devices therefor by de-watering, drying or thickening with addition of chemical agents
    • C02F11/147—Treatment of sludge; Devices therefor by de-watering, drying or thickening with addition of chemical agents using organic substances
    • C—CHEMISTRY; METALLURGY
    • C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F11/00—Treatment of sludge; Devices therefor
    • C02F11/12—Treatment of sludge; Devices therefor by de-watering, drying or thickening
    • C02F11/14—Treatment of sludge; Devices therefor by de-watering, drying or thickening with addition of chemical agents
    • C02F11/148—Combined use of inorganic and organic substances, being added in the same treatment step
    • C—CHEMISTRY; METALLURGY
    • C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F2103/00—Nature of the water, waste water, sewage or sludge to be treated
    • C02F2103/10—Nature of the water, waste water, sewage or sludge to be treated from quarries or from mining activities
    • C—CHEMISTRY; METALLURGY
    • C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F2305/00—Use of specific compounds during water treatment
    • C02F2305/14—Additives which dissolves or releases substances when predefined environmental conditions are reached, e.g. pH or temperature

Landscapes

  • Chemical & Material Sciences (AREA)
  • Environmental & Geological Engineering (AREA)
  • Organic Chemistry (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Hydrology & Water Resources (AREA)
  • Engineering & Computer Science (AREA)
  • Water Supply & Treatment (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • General Chemical & Material Sciences (AREA)
  • Health & Medical Sciences (AREA)
  • Medicinal Chemistry (AREA)
  • Inorganic Chemistry (AREA)
  • Separation, Recovery Or Treatment Of Waste Materials Containing Plastics (AREA)
  • Processing Of Solid Wastes (AREA)
  • Glanulating (AREA)

Abstract

The invention is directed to methods of neutralizing acid drainage from particulate mining waste, comprising consolidating the particulate mining waste to form a consolidated waste solid; adding a hydrophobizing material into the consolidated waste solid, and incorporating into the consolidated waste solid a controlled release base formulation, wherein the controlled release base formulation comprises a particulate base and a controlled release system, and wherein the controlled release base formulation responds to a decrease in pH from acid drainage to release the particulate base, thereby neutralizing the acid drainage.
CA3019839A 2016-04-11 2017-04-11 Acid mine drainage treatment Abandoned CA3019839A1 (en)

Applications Claiming Priority (5)

Application Number Priority Date Filing Date Title
US201662320786P 2016-04-11 2016-04-11
US62/320,786 2016-04-11
US201662347466P 2016-06-08 2016-06-08
US62/347,466 2016-06-08
PCT/US2017/026915 WO2017180564A1 (en) 2016-04-11 2017-04-11 Acid mine drainage treatment

Publications (1)

Publication Number Publication Date
CA3019839A1 true CA3019839A1 (en) 2017-10-19

Family

ID=60042208

Family Applications (1)

Application Number Title Priority Date Filing Date
CA3019839A Abandoned CA3019839A1 (en) 2016-04-11 2017-04-11 Acid mine drainage treatment

Country Status (4)

Country Link
US (1) US10875796B2 (en)
AU (1) AU2017250497A1 (en)
CA (1) CA3019839A1 (en)
WO (1) WO2017180564A1 (en)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP7062222B2 (en) * 2018-03-20 2022-05-06 Ｕｂｅ株式会社 Acid water treatment condition design method and acid water treatment method
CN115367808B (en) * 2022-08-23 2023-06-23 湘潭大学 Method for passivating pyrite surface

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7033507B2 (en) * 2002-11-15 2006-04-25 Noram Engineering And Constructors Ltd. Method for removing metals from acid mine drainage
US8353641B2 (en) 2008-02-14 2013-01-15 Soane Energy, Llc Systems and methods for removing finely dispersed particulate matter from a fluid stream
US8349188B2 (en) 2008-02-14 2013-01-08 Soane Mining, Llc Systems and methods for removing finely dispersed particulate matter from a fluid stream
US8945394B2 (en) * 2009-10-27 2015-02-03 Soane Energy, Llc System, methods, processes and apparatus for removing finely dispersed particulate matter from a fluid stream
CA2752799A1 (en) 2009-02-27 2010-09-02 Soane Energy, Llc Systems, methods, processes and apparatus for removing finely dispersed particulate matter from a fluid stream
US8821733B2 (en) 2009-09-29 2014-09-02 Soane Mining, Llc Systems and methods for recovering fine particles from fluid suspensions for combustion
US8894863B2 (en) 2010-03-17 2014-11-25 Soane Mining, Llc Method for removal of dissolved metal cations from aqueous fluids using modified capture polymers and tether polymer bearing anchor particles
KR101223466B1 (en) * 2010-12-24 2013-01-17 한국지질자원연구원 Oxidation pond for treating acid mine drainage
WO2017213741A1 (en) 2016-06-07 2017-12-14 Soane Miniing, Llc Removing fine particulate matter from fluid streams

Also Published As

Publication number Publication date
US20190284068A1 (en) 2019-09-19
AU2017250497A1 (en) 2018-10-25
US10875796B2 (en) 2020-12-29
WO2017180564A1 (en) 2017-10-19

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Legal Events

Date Code Title Description
EEER Examination request

Effective date: 20181002

FZDE Discontinued

Effective date: 20210831

FZDE Discontinued

Effective date: 20210831